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Analyze real-time astronomical and meteorological data for 21 Per.
21 Per
B9p...21 Per · Perseus
21 Per is a B9p...-type star located in the constellation of Perseus. Sitting at a distance of approximately 320 ly from Earth, it shines with an apparent magnitude of 5.10, making it an interesting target for observation. It is officially recorded in the Hipparcos catalog as HIP 13775.
Common Name21 Per
Bayer Designation21 Per
HIP Catalog IDHIP 13775
ConstellationPerseus
Right Ascension2h 57m 17.3s
Declination+31° 56' 3"
Distance320 ly
Apparent Magnitude+5.10
Absolute Magnitude+0.14
Color Index (B-V)-0.01
Spectral ClassB9p...
Variable StarNo